package cn.acfda.web.admin;

import cn.acfda.po.Type;
import cn.acfda.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.validation.Valid;

/**
 * @author ziye
 * @date 2020/12/5 13:12
 */
@Controller
@RequestMapping("/admin")
public class TypeController {
    @Autowired
    private TypeService typeService;

    @GetMapping("/types")
    public String types(@PageableDefault(size =5 , sort = {"id"}, direction = Sort.Direction.DESC)
                                Pageable pageable, Model model) {
        model.addAttribute("page", typeService.listType(pageable));
        return "admin/types";
    }
    @GetMapping("/types/input")
    public String input(Model model){
        model.addAttribute("type",new Type());
        return "admin/types-input";
    }

    @GetMapping("/types/{id}/input")
    public String editInput (@PathVariable Long id,Model model){
        model.addAttribute("type",typeService.getType(id));
        return "admin/types-input";
    }

    @PostMapping("/types")
    public String post(@Valid Type type, BindingResult result ,RedirectAttributes attributes){
        Type typeByName = typeService.getTypeByName(type.getName());
        if (typeByName != null) {
            result.rejectValue("name","nameError","不能添加重复的分类");
        }

        if (result.hasErrors()){
           return "admin/types-input";
       }
        Type type1 = typeService.saveType(type);
        if (type1 == null) {
            attributes.addFlashAttribute("message", "新增失败");
        }else {
            attributes.addFlashAttribute("message","新增成功");

        }
        return "redirect:/admin/types";
    }
    @PostMapping("/types/{id}")
    public String editPost(@Valid Type type, BindingResult result ,@PathVariable Long id,RedirectAttributes attributes){
        Type typeByName = typeService.getTypeByName(type.getName());
        if (typeByName != null) {
            result.rejectValue("name","nameError","不能添加重复的分类");
        }

        if (result.hasErrors()){
            return "admin/types-input";
        }
        Type type1 = typeService.updateType(id,type);
        if (type1 == null) {
            attributes.addFlashAttribute("message", "更新失败");
        }else {
            attributes.addFlashAttribute("message","更新成功");

        }
        return "redirect:/admin/types";
    }
    @GetMapping("/types/{id}/delete")
    public String delete(@PathVariable Long id,RedirectAttributes attributes){
        typeService.deleteType(id );
        attributes.addFlashAttribute("message","删除成功");
        return "redirect:/admin/types";
    }

}
